Home / 7,013.73-9,675.61-4,179.47

Finding the Fourth Proportional to 7,013.73, 9,675.61 and 4,179.47

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Solution

The fourth proportional to 7,013.73, 9,675.61 and 4,179.47 is: 5,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.73 : 9,675.61 = 4,179.47 : x
  2. Step 2: Convert to fraction form
    7,013.73/9,675.61 = 4,179.47/x
  3. Step 3: Cross multiply
    7,013.73x = 9,675.61 × 4,179.47
  4. Step 4: Simplify right side
    7,013.73x = 40,438,935.47
  5. Step 5: Solve for x
    x = 40,438,935.47/7,013.73
  6. Step 6: Final answer
    x = 5,765.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.